WASHINGTON — Topography is a valuable tool to detect corneal irregularity and asymmetry, a speaker said during Refractive Day at the American Society of Cataract and Refractive Surgery meeting.

The National Weather Service in Portland offers an extensive list of elevations around Oregon and southwest Washington. Another popular tool is the ‘What Is My Elevation’ website. You can ...

it might be difficult to know the exact elevation of your neighborhood. Below is a four-page chart showing the elevations for some areas around Oregon and southwest Washington. You can either ...